<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .box {
        width: 180px;
        height: 180px;
        background: rosybrown;
        color: #fff;
        margin: 60px auto;
      }
      .outer_box {
        overflow: hidden;
      }
    </style>
  </head>
  <body>
    <div class="outer_box">
      <div class="box">nanjiu</div>
    </div>
    <div class="box">南玖</div>
  </body>
</html>
